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Vehicle feature recognition device based on public security video images in skynet engineering

A public safety and vehicle feature technology, applied in the field of vehicle feature recognition devices, can solve the problems of vehicle scale, position, direction change, etc. that have not been effectively solved

Inactive Publication Date: 2012-06-20
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned devices still have certain limitations in practical application, and the adaptability, stability and reliability still need to be further improved and perfected, and many problems have not been effectively solved yet. These problems include: (1) Vehicle changes in scale, position, and orientation
(2) The attitude correction problem of the vehicle in the image

Method used

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  • Vehicle feature recognition device based on public security video images in skynet engineering
  • Vehicle feature recognition device based on public security video images in skynet engineering
  • Vehicle feature recognition device based on public security video images in skynet engineering

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Embodiment Construction

[0018] Such as figure 1 As shown, the present invention is implemented as follows, including an image acquisition module 100 , a license plate recognition module 106 , a vehicle type recognition module 110 and a vehicle feature database server 114 . Wherein the image acquisition module 100 comprises camera 101, video digital optical transceiver 102, dedicated network for video transmission 103, video storage server 104 and video stream extract submodule 105 frame by frame; license plate recognition module 106 comprises license plate location submodule 107, character segmentation submodule 108 And the character identification submodule 109; the vehicle type identification module 110 includes a moving vehicle outline extraction submodule 111, a moving vehicle feature extraction submodule 112 and a decision tree vehicle type identification submodule 113.

[0019] refer to figure 1 Shown structural schematic diagram, image acquisition module 100 is connected license plate recogni...

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Abstract

The invention provides a vehicle feature recognition device based on public security video images in skynet engineering. The device is characterized in that an image acquisition model is connected with a licence plate recognition model and a vehicle type recognition model respectively and is used for providing video frame images of moving vehicles; and the licence plate recognition model and the vehicle type recognition model are connected to a vehicle feature database server and store the feature parameters of licence plate information and vehicle type information recognized from the video frame images of the moving vehicles. The device has the following technical effects: videos are acquired in the places with complex public security such as main traffic thoroughfares, public security accesses, public gathering places, hotels and the like via the skynet engineering; video stream extraction frame by frame, licence plate positioning, licence plate segmentation, character recognition, moving vehicle outline extraction, vehicle edge density computation and decision tree based vehicle type recognition are carried out on the obtained public security video images, thus recognizing the feature parameters of licence plate information and vehicle type information; and the device has positive significance to further expansion and extension of urban public security prevention and control and urban comprehensive management tools.

Description

technical field [0001] The invention relates to a vehicle feature recognition device, in particular to a vehicle feature recognition device based on public safety video images in the Skynet project. Background technique [0002] "Skynet project" refers to a video surveillance system that uses image acquisition, transmission, control, display and other equipment and control software to monitor and record information in fixed areas in order to meet the needs of urban security prevention and control and urban management. The Skynet project transmits the images of all video monitoring points in a certain area to the monitoring center through the network, classifies image information such as criminal cases and public security cases, and provides reliable image data for preventing crimes and sudden public security disasters. [0003] In the existing vehicle feature recognition electronic devices, some need to set up infrared induction light curtains to sense the vehicle arrival i...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06N3/08G08G1/017H04N7/22H04N7/26
Inventor 冷明冷子阳孙凌宇
Owner 冷明
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